![Hamburg Matten Filters are space saving, non leaking and supremely efficient. HMF`s do better when not cleaned. Hamburg Matten Filters are space saving, non leaking and supremely efficient. HMF`s do better when not cleaned.](https://fish2water.com/resources/HMF%20rear%20view%20and%20front%20view.png)
Hamburg Matten Filters are space saving, non leaking and supremely efficient. HMF`s do better when not cleaned.
![Aquarium Sponge Mobile HMF Biological Internal Hamburg Matten Air Fish Tank Quiet Water Foam Filter for Shrimp Fish 10x10x26cm (PPI 30 Black) on OnBuy Aquarium Sponge Mobile HMF Biological Internal Hamburg Matten Air Fish Tank Quiet Water Foam Filter for Shrimp Fish 10x10x26cm (PPI 30 Black) on OnBuy](https://assets.onbuy.com/i28/product/69f9a80744bb4283b159d6d805f1a56f-m299827999/aquarium-sponge-mobile-hmf-biological-internal-hamburg-matten-air-fish-tank-quiet-water-foam-filter-for-shrimp-fish-10x10x26cm-ppi-30-black.jpg)
Aquarium Sponge Mobile HMF Biological Internal Hamburg Matten Air Fish Tank Quiet Water Foam Filter for Shrimp Fish 10x10x26cm (PPI 30 Black) on OnBuy
![Architecture of German Hamburg. The famous city on the Elbe, its streets, tunnel and stunning views. A beautiful summer walk. No filter Stock Photo - Alamy Architecture of German Hamburg. The famous city on the Elbe, its streets, tunnel and stunning views. A beautiful summer walk. No filter Stock Photo - Alamy](https://c8.alamy.com/comp/2C3PHKX/architecture-of-german-hamburg-the-famous-city-on-the-elbe-its-streets-tunnel-and-stunning-views-a-beautiful-summer-walk-no-filter-2C3PHKX.jpg)
Architecture of German Hamburg. The famous city on the Elbe, its streets, tunnel and stunning views. A beautiful summer walk. No filter Stock Photo - Alamy
![Hamburg Matten Filters are space saving, non leaking and supremely efficient. HMF`s do better when not cleaned. Hamburg Matten Filters are space saving, non leaking and supremely efficient. HMF`s do better when not cleaned.](https://fish2water.com/resources/HMF%20malawi%20corner%20filter.png)